We adopt the same loss functions as [1]}, which include L1 loss, adversarial loss, feature match loss, and High Receptive Field (HRF) perceptual loss [1]}.
Firstly, L1 loss is only calculated within the unmasked regions as
\(\mathcal {L}_{L1}=(1-\mathbf {M})\odot |\mathbf {\hat{I}}-\mathbf {\tilde{I}}|_1,\) 
